2-ethoxy-5-nitrobenzoic acid synthesis
- Product Name:2-ethoxy-5-nitrobenzoic acid
- CAS Number:57148-23-9
- Molecular formula:C9H9NO5
- Molecular Weight:211.17
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Yield:57148-23-9 97.7%
Reaction Conditions:
with potassium hydroxide at 60 - 80;
Steps:
17.g4 Preparation of compound G1-4-17
A mixture of (Gl-3-13)2-ethoxy-5-nitro-benzoic acid methyl ester(6 g, 26.7 mmol)Add 250ml eggplant-shaped bottle,Then, 50 ml of 7 K,Heating to 60-80 ° C, then add potassium hydroxide (3g, 53.6mmol), reaction 4-6h, after the end of the reaction by adding hydrochloric acid to adjust PH <3, a white crystal precipitation,Pure 2-ethoxy-5-nitro-benzoic acid was obtained by filtration under reduced pressure(5. 5 g, 97.7%)
References:
CN106167456,2016,A Location in patent:Paragraph 0030
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